docs(api-usage-graphql): fix the example graphql query string

docs(api-usage-graphql): fix the example graphql query string · python-gitlab/python-gitlab@8dbdd7e

Original file line number	Diff line number	Diff line change
`@@ -49,12 +49,12 @@ Get the result of a query:`
`49`	`49`
`50`	`50`	`.. code-block:: python`
`51`	`51`
`52`		`- query = """{`
`53`		`- query {`
`54`		`- currentUser {`
	`52`	`+ query = """`
	`53`	`+ {`
	`54`	`+ currentUser {`
`55`	`55`	`name`
`56`		`- }`
`57`	`56`	`}`
	`57`	`+ }`
`58`	`58`	`"""`
`59`	`59`
`60`	`60`	`result = gq.execute(query)`
`@@ -63,12 +63,12 @@ Get the result of a query using the async client:`
`63`	`63`
`64`	`64`	`.. code-block:: python`
`65`	`65`
`66`		`- query = """{`
`67`		`- query {`
`68`		`- currentUser {`
	`66`	`+ query = """`
	`67`	`+ {`
	`68`	`+ currentUser {`
`69`	`69`	`name`
`70`		`- }`
`71`	`70`	`}`
	`71`	`+ }`
`72`	`72`	`"""`
`73`	`73`
`74`	`74`	`result = await async_gq.execute(query)`